LG 23LX1RV-MC LCD TV Service Menu

LG TV MODEL 23LX1RV-MC CHASSIS MODEL ML-041D
1. Application Object
This instruction is for the application to the LCD TV.
2. Designation
2.1 The adjustment is according to the order which is designated and which must be followed, according to the plan which can be changed only on agreeing.
2.2 Power Adjustment : Free Voltage
2.3 Magnetic Field Condition: Nil.
2.4 Input signal Unit : Product specification standard
2.5 Reserve after operation : Above 2 hours
2.6 Adjustment equipments : Pattern Generator(801GF, MSPG925F), DDC Adjustment Jig equipment HDCP

LG 23LX1RV-MC LCD Adjustment Jig equipment.
3. Adjustments
3.1 Adjustment Details
The machine can be adjusted by itself automatically with factory automatic equipment, in case error occurs, set manual adjustment to standard.
3.2 Adjustment signal Composition of The Auto Adjustment equipment
3.2.1 RS-232C Interchange 9600bps, Pin#2 : Rx, Pin#3 : Tx, 8bit, STOP bit=1, No Parity
3.2.2 Adjust data save
* Save the adjusted data to the EEPROM with default value

TV Service Menu LG 23LX1RV-MC LCD

LG 23LX1RV-MC LCD TV Service Menu

Photo credit : culthomes.com

3.2.3 Adjust OK
3.2.4 Screen Adjustment Instruction Forms CMD1 CMD2 SetID(0) Value a. CMD1,CMD2 : Instructions operated by Monitor
b. SetID L 0h Set always 0 in Adjustment
c. VALUE : Adjustment Value
3.3 PC signal Gain/Offset Adjustment
3.3.1 Adjustment Preparation
- Execution of RF no signal during Heat Run over 30min
- Pattern generator signal is connected to the DVI-I Jack of LCD TV.
3.3.1 Auto Gain/Offset Adjustment .
- To use Pattern Generator(MSPG-925FS), Apply Model
37, Patten 19 ( XGA(1024 X 768)60Hz, Half balck and Half white signal (Don't apply 16 gray signal)
- Press IN-START Key by using the Remote Controller (SVC) , after converting to Adjustment-Mode,
press VOL+ Key consecutively in Auto-Gain Menu.
- After adjustment is complete, pressing enter key, stores and completes the process.
* Note) : PC Adjustment must be completed before auto adjustment.
3.4 Video signal Gain/Offset Adjustment(Auto adjustment)
- Execution of White Pattern during Heat Run over 30min
- Connect to the LCD TV AV1 Scart input terminal with Patten Generator(MSPG-925FS).
- Convert INPUT MODE to Video & Confirm whether PSM Mode is Standard
- Connect RS-232C Communication Cable to the Auto Adjustment Equipment and SET's upgrade Port
3.4.1 Adjustment Preparation
- Apply Gray-Level Gray-Level (Model : 202, pattern : 59) signal by using Pattern Generator(MSPG-925FS)
- Check weather color-coordinates( x : 0.280, y : 0.280, ±0.005) is operated by using CA-110 equipment
- If color-coordinates is not in Spec, adjust colorcoordinates(x : 0.280 , y : 0.280, ±0.005)by adjusting Red Offset, Blue Offset
3.4.2 LG 23LX1RV-MC LCD White Balance Adjustment
- Apply Gray-Level Gray-Level (Model : 202, pattern : 59) signal by using Pattern Generator(MSPG-925FS)
- Check weather color-coordinates( x : 0.280, y : 0.280, ±0.005) is operated by using CA-110 equipment
- If color-coordinates is not in Spec, adjust colorcoordinates ( x : 0.280 , y : 0.280, ±0.005)by adjusting
Red Offset, Blue Offset
3.5 Component signal Gain/Offset Adjustment(Auto adjustment)
- Execution of RF no signal during Heat Run over 30min
- Connect to the LCD TV Component1 terminal with Patten Generator(MSPG-925FS)
- Convert INPUT MODE to Component1.& Confirm whether PSM Mode is Standard
- Connect RS-232C Communication Cable to the Auto
Adjustment Equipment and SET's upgrade Port
3.5.1 Low Gray Adjustment
- Apply Gray-Level (Model : 210, pattern : 59)signal by using Patten Generator(MSPG925FS)
- Check whether color-coordinates ( x : 0.280, y : 0.280, ±0.005 ) is operated by using CA-110 equipment
- If color-coordinates is not in Spec, adjust colorcoordinates (x : 0.280, y : 0.280, ±0.005) by adjusting
Red Offset, Blue Offset
3.5.2 LG 23LX1RV-MC LCD White Balance Adjustment
- Apply full White (Model : 210, pattern : 47) signal by using Patten Generator(MSPG925FS)
- Check whether color-coordinates ( x : 0.280, y : 0.280, ±0.005) is operated by using CA-110 equipment
- If color-coordinates is not in Spec, adjust colorcoordinates ( x : 0.283, y : 0.298, ±0.005)by adjusting
Red Gain, Blue Gain
- All adjustment takes color-coordinates with based on G, changing R and B If it is not adjusted, adjust with fixed B, changing G and R.